/**

Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016.  All rights reserved.

Contact:
     SYSTAP, LLC DBA Blazegraph
     2501 Calvert ST NW #106
     Washington, DC 20008
     licenses@blazegraph.com

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/
/*
 * Created on Sep 2, 2010
 */

package com.bigdata.bop.constraint;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;

import com.bigdata.bop.Constant;
import com.bigdata.bop.IBindingSet;
import com.bigdata.bop.IConstant;
import com.bigdata.bop.IVariable;
import com.bigdata.bop.Var;
import com.bigdata.bop.bindingSet.ListBindingSet;

/**
 * Unit tests for {@link INBinarySearch}.
 * 
 * @author <a href="mailto:thompsonbry@users.sourceforge.net">Bryan Thompson</a>
 * @version $Id$
 */
public class TestInBinarySearch extends TestINConstraint {

    /**
     * 
     */
    public TestInBinarySearch() {
    }

    /**
     * @param name
     */
    public TestInBinarySearch(String name) {
        super(name);
    }

    /**
     * Unit test for {@link INConstraint#accept(IBindingSet)}
     */
    public void testAccept ()
    {
        super.testAccept () ;

        // specific test because the implementation does a sort, etc...

        Var<?> x = Var.var ( "x" ) ;

        IConstant [] vals = new IConstant [ 100 ] ;
        for ( int i = 0; i < vals.length; i++ )
            vals [ i ] = new Constant<Integer> ( i ) ;
        List<IConstant> list = Arrays.asList ( vals ) ;
        Collections.shuffle ( list ) ;
        vals = list.toArray ( vals ) ;

        INConstraint op = new INBinarySearch ( x, vals ) ;

        assertTrue ( op.get ( new ListBindingSet ( new IVariable<?> [] { x }, new IConstant [] { new Constant<Integer> ( 21 ) } ) ) ) ;
        assertTrue ( op.get ( new ListBindingSet ( new IVariable<?> [] { x }, new IConstant [] { new Constant<Integer> ( 37 ) } ) ) ) ;
        assertTrue ( op.get ( new ListBindingSet ( new IVariable<?> [] { x }, new IConstant [] { new Constant<Integer> ( 75 ) } ) ) ) ;
        assertFalse ( op.get ( new ListBindingSet ( new IVariable<?> [] { x }, new IConstant [] { new Constant<Integer> ( 101 ) } ) ) ) ;
    }

    @Override protected INConstraint newINConstraint ( IVariable<?> var, IConstant<?> vals [] )
    {
        return new INBinarySearch ( var, vals ) ;
    }
}
